This custom setting holds the list of all the base library properties.

SettingDescription
Enable Usage DataSelect this to enable data usage.
Usage Data EndpointEnter the usage data endpoint.
Usage Data KeyEnter the usage data key
Usage Data Provider ClassEnter a list of comma-separated class names of Usage Data Providers specifically the class that implements Apttus_Base2.IUsageData interface.
Usage Event Key Enter the usage event key.